Apparatus for constructing a hollow wall.



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HOLLOW WALL. 1908? 1 H. A. GDDARD.

0R CONSTRUGTING-A APPLICATION FILED im 23,

APPARATUS f... -..1.11: 1.235.... ...Vwnff K.. 5

l l/vyEA/rn. mi M A'thickness of concrete with an intermediate space between the two faces of the walls, such space being formed b v means of collapsible frames or boxes, initially placed in position, the concrete shell being cast around the collapsible core. The external frames or molds may be made of any suitable contour, so thatjoist supports oi' sills, and moldings of different kinds may be constructed at the same time that t-he wall is being built. lood insertions, adapted to carry picture rods or to ail'ord a. hold for wooden paneling and such like ornamentation may also be introduced into the wall during the period of construction. But in order that the invention may be properly undeistood, i'eference is made to the -accoinpanyiing sheet of draw-i ings, in which :--v

Figure 1 is a sectional plan of a wall in course of construction. Fig; is a vertical section of the saine, on the line. 1-2 of Fig: 1. F ig: 3 is an elevation of the interior side of a wall. Fig: -L is an isometrical projection of a portion of the frame adapted to east, in concrete, a joist support, and Fig: 5 is a vertical section and half plan. of one of the collapsible boxes or cores. `Figz 6 is a, view of a key for the core.

` A is the outside shell. A* the inside shell of a house wall, B, B the outside and inside panels respectively, within which the shells A, A1 are cast. in position by a rectangular clip or strap C which passes over the top edges and vdown the sides of the panels B, B as may be seen in Figs: 1, 2 and 3.

The collapsible box or core is shown at D, D1. This box or core is of peculiar construction, being made in two parts` the part D and the part D1.. The adjacent and cooperating edges of these two parts are inclined, and when in position, as shown in Figs: 1 and 2, the whole forms a parallelepiped. The part UNITED STATES PATENTOFFICE.

HENRY ARTHUR GODDARD, OF CONCORD, NEAR SYDNEY, NEW SOUTH WALES, AUSTRALIA...

Speciicatio'n of Letters Patent.

Application filed February 23, 1906. Serial No. 302,602.

These panels are maintained APPARATUS FOR CONSTRUCTINGA HOLLOW WALL. Y

Patented Aug. 4, 1908.

Di'will first be placed in position, 'then the part D1. When it is desired to shift the box or core, `the part D1 inust iirst be removed; this may be effected by introducing the key d into the key-hole d in the part D1 and giving it a quarter turn, when the part Dl of the box ina-y be lifted. To the bottom of the part of the box is pivoted at e a flatbar E. vWhen the partD is placed in position, the bar E must be turned on its pivot e until it lies transversely across the cavity, as shown in,

Fig: 2, and by dotted lines in Fig: 1. The part D1 of the box may then be introduced to complete the parallelepiped. The concrete is then oured into the spaces between the collapsib e core or box D, D1 and the panels B, B1, and the concrete is allowed to remain until it is sufficiently set to permit of the box D, D1 being removed, as previously explained. The part D1 ot the box having been removed, the workman will pass his hand down the space thus vacated and turn the bar E, when the part D of the box may be removed and shifted to another position and made ready for a fresh charge. When the box D, D1 is shifted along from one posi'l tion to another, it will not be placed-in immediate juxtaposition to the place it has just vacated, but a space will be left between the old and the new position. This space will be filled with concrete and will form a cross stay di that will have the effect of preventing the two shells of the wall from collapsing together, and willvadd greatly to the stability of the wall. At intervals, in the panels are holes b. These holes b are plugged with wooden plugs b* aroimd which the concrete may be cast in the usual \\'a. Then the panels B or B are removed, a. wooden plug b', of sufficientlength to extend from the external surface of the wall to the opposin0F inner face of the cavity, is inserted. Tiese plugs will be useful for hanging picture rods, and other fixtures, upon the wall.

In Fig: 4 is exhibited the contour of one of the internal panels adapted to be adjusted ...00m-.w W,......

Having now'desoribed my invention, what I the other half is provided with a ivoted bar, I claim as new and desire to secure by Letsuc-h as E, to prevent the box iiom falling ters Patent is down the hollow space below, as and for the In apparatus for constructing a hollow purposes specified. -5 wall of concrete, :t collapsible core or box for In testimony whereof I have signed my coring out a hollow or space between the two I name to this specification in the presence of faces of the wall, such collapsible core or box two subscribing witnesses. consisting of two halves the adjacent or co- HENRY ARTHUR GODDARD. operating faces of which are cut on an'in- Witnesses: 1o oline, one half of the box being provided with MABEL E. DE LANGE.

a.keyl1ole and key for lifting the same, while MNFIELD NEWTON. 

